Below is a detailed discussion of the damage observed during the test of PW1. Included are a set of images selected by the researchers to be representative of the damage progession. Step numbers are provided to allow coordination with experimental data.
A brief overview and movie (need youtube link) are also available. The complete set of photograph (link to discussion of photos taken during test) can be downloaded here (link to project warehouse folder with images for this test).
0.1% Drift, Initial Horizontal and Diagonal Cracking
Horizontal cracks were first visible at 0.06% (Step 73) (this will be expanded to included all similar sections I have the thorough discussion of damage)